Pfeiffer Vacuum OBC V4 User manual

OPERATING INSTRUCTIONS
EN
Translation of the Original
OBC V4
Electronic drive unit

Disclaimer of liability
These operating instructions describe all models and variants of your product. Note that your
product may not be equipped with all features described in this document. Pfeiffer Vacuum
constantly adapts its products to the latest state of the art without prior notice. Please take
into account that online operating instructions can deviate from the printed operating
instructions supplied with your product.
Furthermore, Pfeiffer Vacuum assumes no responsibility or liability for damage resulting from
the use of the product that contradicts its proper use or is explicitly defined as foreseeable
misuse.
Copyright
This document is the intellectual property of Pfeiffer Vacuum and all contents of this
document are protected by copyright. They may not be copied, altered, reproduced or
published without the prior written permission of Pfeiffer Vacuum.
We reserve the right to make changes to the technical data and information in this document.
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Table of contents
1 About this manual 7
1.1 Validity 7
1.1.1 Applicable documents 7
1.1.2 Products concerned 7
1.2 Target group 7
1.3 Conventions 8
1.3.1 Instructions in the text 8
1.3.2 Pictographs 8
1.3.3 Labels 8
1.3.4 Abbreviations 9
1.4 Trademark proof 9
2 Safety 10
2.1 General safety information 10
2.2 Safety instructions 10
2.3 Precautions 11
2.4 Intended use 12
2.5 Misuse 12
3 Transportation and Storage 13
3.1 Receipt of the product 13
3.2 Handling 13
3.3 Stockage 14
4 Product description 15
4.1 Product identification 15
4.1.1 Scope of delivery 15
4.1.2 Description 15
4.2 Man/machine interface 16
5 Installation 17
5.1 Connecting the electronic drive unit on the pump 17
5.2 Positioning the equipped pump on the installation 18
5.3 Connecting the water circuit 18
5.3.1 Procedure for assembly connectors 19
5.3.2 Connecting the pump to the water circuit 20
5.4 Electrical connection 20
5.4.1 Customer electrical installation protection 21
5.4.2 Mains connection by electrical connector 22
5.4.3 Mains connection by a stuffing box 23
5.4.4 Connecting the cables 23
6 Operation 25
6.1 Preliminary precautions for use 25
6.2 Starting the pump 25
6.2.1 Powering on 25
6.2.2 Pumping start-up 25
6.2.3 Restarting the pump after an emergency equipment stop 26
6.3 Shutting down the pump 27
6.3.1 Pumping shutdown 27
6.3.2 Powering off 28
6.3.3 Prolonged stoppage 28
6.4 Operation monitoring 28
7 Advanced settings 29
7.1 Pump temperature management system 29
7.2 Pump braking 29
Table of contents
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8 Interfaces for control 30
8.1 Control modes 30
8.2 Control via the HHR 30
8.2.1 Powering on 31
8.2.2 DISPLAY menu 32
8.2.3 SETUP menu 33
8.2.4 Menu SER NUM 33
8.3 Control via the REMOTE connector 34
8.3.1 Logic input wiring 34
8.3.2 Logic output wiring 35
8.4 Command via the RS-232/RS-485 serial link 36
8.4.1 Connections 36
8.4.2 Communication protocol 37
8.4.3 Command list 38
8.5 Operation via fieldbus 43
9 Maintenance 44
9.1 Maintenance safety instructions 44
9.2 Standard exchange procedure 45
9.2.1 Draining the water circuit 45
9.2.2 Disassembling the electronic drive unit 46
10 Decommissioning 47
10.1 Shutting down for longer periods 47
10.2 Recommissioning 47
10.3 Disposal 47
11 Malfunctions 48
11.1 Malfunction and fault indication 48
11.2 Malfunction 48
12 Service solutions by Pfeiffer Vacuum 51
13 Accessories 53
14 Spare parts 54
15 Technical data and dimensions 55
15.1 Technical data 55
15.2 Environmental conditions 55
15.3 Electrical characteristics 55
15.4 Cooling water characteristics 55
15.5 Dimensions 56
Declaration of conformity 58
Table of contents
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List of tables
Tbl. 1: Meaning of LED on the control panel 28
Tbl. 2: Description of the HHR's keys 31
Tbl. 3: OBC V4 spare parts 54
Tbl. 4: Electrical characteristics of the customer’s network 55
Tbl. 5: Cooling water characteristics 56
List of tables
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List of figures
Fig. 1: OBC V4 Description 16
Fig. 2: Electrical connector 22
Fig. 3: Electrical connection by a stuffing box 23
Fig. 4: Typical electrical wiring diagram 24
Fig. 5: Pumping installation diagram 25
Fig. 6: Remote connector: control by direct voltage 34
Fig. 7: Remote connector: control by dry contacts 35
Fig. 8: Remote connector: logic outputs 35
Fig. 9: Draining the water circuit 45
Fig. 10: Dimensions - OBC V4 57
List of figures
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1 About this manual
IMPORTANT
Read carefully before use.
Keep the manual for future consultation.
1.1 Validity
This operating instructions is a customer document of Pfeiffer Vacuum. The operating instructions de-
scribe the functions of the named product and provide the most important information for the safe use of
the device. The description is written in accordance with the valid directives. The information in this op-
erating instructions refers to the product's current development status. The document shall remain valid
provided that the customer does not make any changes to the product.
1.1.1 Applicable documents
Document Part Number
Declaration of conformity included with these operating instructions
Profibus Operating instructions 004432
EtherCAT Operating instructions 123800
Devicenet Operating instructions 123801
ATH 1603 M - ATH 2303 M Operating instructions 115101
ATH 2300 M-MT Operating instructions 108895
ATP 2300 M Operating instructions 112419
ATP 1603 M Operating instructions 127646
1.1.2 Products concerned
This document applies to products with the following part numbers:
Description Version of
pump 1)
Part Number
OBC with Remote control panel M 123747 - 127802
OBC with Profibus control panel M 123744 - 127836
OBC with Profibus control MT 123745
OBC with EtherCAT control panel M 124400
OBC with EtherCAT control panel MT 124401
OBC with Devicenet oontrol panel M 126371 - 128246
OBC with Devicenet oontrol panel MT 124402 - 126372
OBC with Lonworks control panel M 128323
OBC with fixed electrical connector and Re-
mote control panel
M/MT 123326
1) OBC is used with ATH 1300, ATH 1600, ATH 1603, ATH 2303, ATP 1300, ATP 1603 magnetically
levitated pumps, version M or MT.
1.2 Target group
This user manual is intended for all persons in charge of transport, installation, commissioning/decom-
missioning, use, maintenance or storage of the product.
The work described in this document must only be carried out by persons with suitable technical training
(specialized staff) or persons who have undergone Pfeiffer Vacuum training.
About this manual
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1.3 Conventions
1.3.1 Instructions in the text
Usage instructions in the document follow a general structure that is complete in itself. The required ac-
tion is indicated by an individual step or multi-part action steps.
Individual action step
A horizontal, solid triangle indicates the only step in an action.
►This is an individual action step.
Sequence of multi-part action steps
The numerical list indicates an action with multiple necessary steps.
1. Step 1
2. Step 2
3. ...
1.3.2 Pictographs
Pictographs used in the document indicate useful information.
Note
Tip
1.3.3 Labels
I/O Switch on/Switch off
WATER IN Water circuit connection: inlet
Pr 7 bar/101 psi
max Torque: 15 N·m
Maximum water circuit pressure
Maximum tightening torque of water connectors
HEATING/BRAKING Heating/Braking electrical cable
VENTING Air inlet solenoid valve cable
WATER Water solenoid valve cable
PURGE Purge solenoid valve cable
Pb
No lead presence in the product components (RoHS)
Protection class
Class 1: location of the main CPC earth connection
AC In Mains connector
P/N :
S/N :
124400
xxxxxxxx OBCV4 Remote
98 avenue de Brogny F-74000 ANNECY
8KG Rev. : A
Made in France
Product rating plate (example)
98 avenue de Brogny F-74000 ANNECY
In :
Out :
200-240 VAC 50/60 HZ 7 ARMS
0-69 V. 1300 HZ 11 A.
Cust. P/N : Rev. :
P/N : 124400
Made in France
This label indicates the electrical characteristics of the equip-
ment in which the pump is to be connected (example).
About this manual
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1 This label warns users that they risk being injured if their hands come into
contact with a hot surface: wear protective gloves before any intervention.
2 This label indicates that certain internal components carry an electric charge
and can cause electric shock if touched: before working on the pump, always
either disconnect it, or lock out/tag out the installation breaker in the appro-
priate manner.
3
Don’t remove the controller
when the pump is running
This label indicates that the main power supply must not be disconnected
when the electronic drive unit is running.
3
2
1
1.3.4 Abbreviations
IN Inlet flange
Exh. Exhaust
HHR Hand Held Remote
MT Pump version equipped with a temperature management system (TMS)
MPump version without temperature management system (no TMS)
OBC Electronic drive unit mounted to an active magnetic bearing turbopump
AMB Active magnetic bearings
[XXXX] The HHR remote control unit menus and settings are shown in bold between square
brackets.
For example: [DEFINITION] [LANGUAGE] to select the display language.
1.4 Trademark proof
●DeviceNet® is a trademark of Open DeviceNet Vendor Association Inc.
●Profibus® is a trademark of PI (PROFIBUS & PROFINET International).
●EtherCAT® is trademark and patented technology, licensed by Beckhoff Automation GmbH, Ger-
many.
● is a trademark of Echelon Corporation.
About this manual
9/60

2 Safety
2.1 General safety information
The following 4 risk levels and 1 information level are taken into account in this document.
DANGER
Immediately pending danger
Indicates an immediately pending danger that will result in death or serious injury if not observed.
►Instructions to avoid the danger situation
WARNING
Potential pending danger
Indicates a pending danger that could result in death or serious injury if not observed.
►Instructions to avoid the danger situation
CAUTION
Potential pending danger
Indicates a pending danger that could result in minor injuries if not observed.
►Instructions to avoid the danger situation
NOTICE
Danger of damage to property
Is used to highlight actions that are not associated with personal injury.
►Instructions to avoid damage to property
Notes, tips or examples indicate important information about the product or about this docu-
ment.
2.2 Safety instructions
All safety instructions in this document are based on the results of the risk assessment carried out in
accordance with Low-Voltage Directive 2014/35/UE. Where applicable, all life cycle phases of the prod-
uct were taken into account.
WARNING
Risk of crushing when the electronic drive unit installed on a magnetically levitated pump is
suspended
Due to the weight of the magnetically levitated pump and electronic drive unit assembly, there is a
risk of crushing during handling. Under no circumstances shall the manufacturer be liable if the fol-
lowing instructions are not followed:
►Only qualified staff trained in handling heavy objects are authorized to handle the product.
–Use appropriate lifting rings screwed into holes provided for this purpose (see pump operat-
ing instructions).
►Wear safety shoes with a steel toe in accordance with directive EN 347.
Safety
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WARNING
Risk of electric shock due to non-compliant electrical installations
This product uses mains voltage for its power supply. Non-compliant electrical installations or installa-
tions not done to professional standards may endanger the user’s life.
►Only qualified technicians trained in the relevant electrical safety and EMC regulations are au-
thorized to work on the electrical installation.
►This product must not be modified or converted arbitrarily.
►Check that the product is properly connected to the equipment’s or pumping installation’s emer-
gency stop circuit.
WARNING
Danger of electrocution by contact during maintenance or overhaul
There is an electric shock hazard in case of contact with a product powered on and not electrically
isolated.
►Before carrying out any work, set the main switch to O.
►Disconnect the power cable from the mains.
►Secure the installation correctly by tagging and locking (LO/TO) the system to prevent uninten-
tional re-engagement.
WARNING
Risk of injury in case of contact with pressurized water
The product uses pressurized water as a cooling fluid. Non-compliant installations or installations not
done to professional standards may endanger the user’s life.
►Install a manual valve on the circuit at a distance of 3 m from the product, so that the water sup-
ply can be locked out.
►Observe the recommended pressure and pressure differences.
►Always lock out and disconnect the water circuit before working on the product.
►When carrying out maintenance, secure the installation properly by locating and locking out the
pressurized water circuit to prevent it from being re-engaged by accident (LO/TO Lock Out/Tag
Out procedure).
►Regularly check the condition of the pipework and supply circuit connections.
WARNING
Risques de brûlure par contact avec des surfaces chaudes
Les produits sont conçus de façon à ne procurer aucun risque thermique pour la sécurité de l’opéra-
teur. Selon les applications, les conditions d’utilisations génèrent des températures élevées nécessi-
tant une attention particulière de la part de l’opérateur (surfaces > 65 °C).
►Respecter le signalement des surfaces chaudes repérées par l’étiquette sécurité.
►Attendre le complet refroidissement avant d'intervenir sur le produit.
►Le cas échéant, porter des gants de protection conformément à la norme EN 420.
2.3 Precautions
Duty to provide information on potential dangers
The product holder or user is obliged to make all operating personnel aware of dangers
posed by this product.
Every person who is involved in the installation, operation or maintenance of the product
must read, understand and adhere to the safety-related parts of this document.
Safety
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Infringement of conformity due to modifications to the product
The Declaration of Conformity from the manufacturer is no longer valid if the operator
changes the original product or installs additional equipment.
●Following the installation into a system, the operator is required to check and re-evalu-
ate the conformity of the overall system in the context of the relevant European Direc-
tives, before commissioning that system.
Only qualified personnel trained in safety regulations (EMC, electrical safety, chemical pollution) are au-
thorized to carry out the installation and maintenance described in this manual. Our service centers can
provide the necessary training.
►Observe the instructions for attaching the electronic drive unit to the pump (see chapter “Installa-
tion”): in the event of an accident on the pump, the module must remain attached to the pump
(see chapter Installation of the pump operating instructions).
►Comply with all safety and risk prevention instructions in accordance with local safety standards.
►Do not operate the product unless the inlet and exhaust are connected to a vacuum and exhaust
pumping line.
►Do not remove the electronic drive unit from the pump while operating it.
►Keep leads and cables well away from hot surfaces (> 70 °C).
►Regularly check compliance with all precautionary measures.
2.4 Intended use
●The OBC electronic drive unit is used to operate Pfeiffer Vacuum magnetically levitated turbomo-
lecular pumps (see chapter “Products Concerned”).
●The OBC electronic drive unit installed on the magnetically levitated pump is designed to be inte-
grated into industrial equipment.
●The OBC electronic drive unit must be used with the magnetically levitated pump operating in-
structions of the manufacturer, Pfeiffer Vacuum (see chapter “Products concerned”).
When the pump and electronic drive unit assembly is integrated into industrial equipment, it be-
comes a component of the equipment: the integrator of this pumping component must take all
safety measures with regard to the operator, particularly in relation to hot surface risks.
2.5 Misuse
Misuse of the product will render the warranty and any claims void. Any use, whether intended or not,
that diverges from the uses already mentioned will be treated as non-compliant; this includes but is not
limited to:
●Operation with excessive insulated heat input
●Using accessories or spare parts not mentioned in these operating instructions
●Using the pump in potentially explosive areas
●Operation in areas with ionizing radiation
●Operation in improper high magnetic fields
Safety
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3 Transportation and Storage
3.1 Receipt of the product
Condition of the delivery
●Check that the product has not been damaged during transport.
●If the product is damaged, take the necessary measures with the carrier and notify the
manufacturer.
►Check the packaging reversal indicator (if present).
►Keep the product in its original packaging so it stays as clean as it was when dispatched by us.
Only unpack the product once it has arrived at the location where it will be used.
►Keep the blanking plates in place on the inlet, exhaust and purge ports while the product is not
connected to the pumping line.
Keep the packaging (recyclable materials) in case the product needs to be transported or
stored.
3.2 Handling
WARNING
Risk of crushing when the electronic drive unit installed on a magnetically levitated pump is
suspended
Due to the weight of the magnetically levitated pump and electronic drive unit assembly, there is a
risk of crushing during handling. Under no circumstances shall the manufacturer be liable if the fol-
lowing instructions are not followed:
►Only qualified staff trained in handling heavy objects are authorized to handle the product.
–Use appropriate lifting rings screwed into holes provided for this purpose (see pump operat-
ing instructions).
►Wear safety shoes with a steel toe in accordance with directive EN 347.
WARNING
Risk of crushing related to product tilting
Although the product meets EEC safety regulations, there is a risk of tilting during product handling,
installation and operation.
►Do not place the product on an inclined plane.
►Do not push the product sideways.
►Always secure the pump until it has been integrated into the equipment using the devices sup-
plied.
Handling the OBC installed on a magnetically levitated pump
The OBC electronic drive unit is an integral part of the magnetically levitated pump. It is usually
installed on the pump on delivery and the ‘pump and electronic drive unit’ assembly cannot be
handled without it.
When handling the pump and electronic drive unit assembly, a lifting device that is appropriate for
the weight of the product must be used. The weight and center of gravity vary depending on the
pump model.
►Refer to the magnetically levitated pump operating instructions.
Transportation and Storage
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3.3 Stockage
Storing the new electronic drive unit
Pfeiffer Vacuum recommends storing the product in its original packaging to keep it clean.
1. Keep the pump wrapped in its protective envelope.
2. Store the electronic drive unit in line with the permitted storage temperatures (see chapter “Envi-
ronmental conditions”).
3. Store the electronic drive unit in a clean and dry area, for a maximum period of 1 year.
Transportation and Storage
14/60

4 Product description
4.1 Product identification
To correctly identify the product when communicating with our service center, always have the informa-
tion from the product rating plate available (see chapter "Labels").
4.1.1 Scope of delivery
●1 electronic drive unit
●1 mains socket
●1 operating instructions
The hand-held remote control (HHR) is not included in the order. To order, see chapter “Ac-
cessories”.
4.1.2 Description
Depending on the ordering guide, the electronic drive unit is equipped with an interface that allows con-
trol through Remote, EtherCAT, Profibus, Devicenet and LonWorks control networks.
As a standard feature, the electronic drive unit is equipped with an RS-232/RS-485 serial link interface.
It can also be controlled with the hand-held remote (HHR) available as an accessory (see chapter “Ac-
cessories”).
In this document, only the operations with the Remote, RS-232/RS-485 and HHR interfaces are descri-
bed.
For the other interfaces, refer to the control interface operating instructions installed on the
pump.
Regardless of the product’s configuration, the electronic drive unit enables a connection to the com-
mand network and display of the pump’s operating condition.
The electronic drive unit is in the form of an electronic module and makes it possible:
●to power the turbomolecular pump
●to power and control the water solenoid valve and heating (MT version pump)
●to power the purge solenoid valves (option) and air inlet solenoid valves (option). These are con-
trolled through the electronic control interface if the wiring and configuration is performed.
Product description
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4.2 Man/machine interface
12
5
4
2
13
119 138 10
6 7
14
O
I
SERVICE
remote
RS 232/485
AC in
200-240VAC 50/60 Hz 7A
Fig. 1: OBC V4 Description
1. Pump operating status indicator light
2. Fieldbus connection area
3. Hand held remote control connector (Service)
4. Remote control connector (Remote)
5. RS-232/RS-485 serial link connector
6. Mains power supply
7. Mains switch I/O
8. Purge solenoid valve cable
9. Air inlet solenoid valve cable (accessory)
10. Mechanical fastening of the OBC (stud, knurled nut and nut)
11. Female electrical connector for pump
12. Water solenoid cable (MT version pump)
13. Heating cable (M version pump) or braking cable (MT version pump)
14. Water inlet/outlet connections (Water In)
Product description
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5 Installation
Depending on the ordering guide, on delivery, the electronic drive unit may be:
►installed on the magnetically levitated pump: in this case, install the pump in the equipment (see
chapter Installation of the pump operating instructions).
►supplied separately: in this case, connect it to the pump and then install the pump in the equip-
ment (see chapter Installation of the pump operating instructions).
5.1 Connecting the electronic drive unit on the pump
When the electronic drive unit is removed from its original packaging (new or after storage)
leave it at room temperature for 24 hours before using it.
Installation of the electronic drive unit
1
B
A
2
3
4
E
C
D
2
1 Electrical connector 3 Studs
2 Thumb-wheels 4 Nut
G
2
3
4
1
F
1 Screw 3 Studs
2 Thumb-wheels 4 Nut
1. Mark the 2 oblong holes on the fastening plate and place the box opposite the fastening plate
(step A).
2. Insert the 2 studs into the oblong holes.
3. Slowly lower the electronic module to insert the other 2 studs (step B):
–make sure not to damage the connector or the cables of the solenoid valves.
4. Adjust the module position with the thumb-wheels so that the male and female baseplates of the
electrical connector are aligned (step C).
5. Slide the module to connect the electrical connector to that of the pump (step D).
Installation
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6. Adjust the module position with the other thumb-wheels so that the module is parallel to the fas-
tening plate (step E).
7. Screw the 2 screws to lock the module position on the fastening plate (screws on the fastening
plate) (step F).
8. Tighten the 4 nuts with a spanner (step G).
–apply a torque of 6 N·m.
Depending on configuration, the electronic drive unit can be installed laterally to the pump.
5.2 Positioning the equipped pump on the installation
The turbomolecular pump fastening must be connected and secured. To ensure personnel
safety and the reliability of operation (see chapter Installation of the pump operating in-
structions).
►Use the lifting devices to position the pump in the desired location, lift the pump using lifting rings
(see chapter “Transport” of the pump operating instructions).
1
2
3
5
4
1 Vacuum chamber 4 ATH M/MT turbomolecular pump
2 Equipment 5 Electronic drive unit (OBC)
3 Frame
Installation of the inlet pump in horizontal position
►To position the pump with a horizontal pumping axis, use a strap.
CAUTION
Risk of falling due to poorly-secured cables or pipework
The space around the pump must be kept clear of obstacles to prevent falls from potentially occur-
ring.
►Route and secure electric cables and pipework in the appropriate pathways.
5.3 Connecting the water circuit
To limit corrosion and clogging of the water circuit, we recommend using softened or non-aggres-
sive water with the required characteristics (see chapter "Water characteristics"). If the solid pollution
characteristics cannot be met, install a filter on the water inlet.
Installation
18/60

NOTICE
The water cooling circuit may be damaged if an unregulated mains supply is used
Using unregulated mains water can lead to water circuit clogging due to limescale deposition. This
may necessitate complete cleaning and overhaul of the water cooling circuit.
Furthermore, the presence of micro-organisms such as algae and biological substances such
as bacteria can lead to cooling problems in the pump.
►Connect the water cooling circuit to a regulated water supply.
►Take appropriate measures to prevent the growth of such micro-organisms.
The effect of cooling continuity on the process
If an interruption to the water circuit represents a serious risk for the process, it is advisable
to control the pump cooling with an external system capable of taking over if the water cir-
cuit fails.
WARNING
Risk of injury in case of contact with pressurized water
The product uses pressurized water as a cooling fluid. Non-compliant installations or installations not
done to professional standards may endanger the user’s life.
►Install a manual valve on the circuit at a distance of 3 m from the product, so that the water sup-
ply can be locked out.
►Observe the recommended pressure and pressure differences.
►Always lock out and disconnect the water circuit before working on the product.
►When carrying out maintenance, secure the installation properly by locating and locking out the
pressurized water circuit to prevent it from being re-engaged by accident (LO/TO Lock Out/Tag
Out procedure).
►Regularly check the condition of the pipework and supply circuit connections.
5.3.1 Procedure for assembly connectors
Threaded connections bonding and tightening procedure
1. Use 1/4 NPT male connectors (to be supplied by the customer).
2. Bond the connections using oleo-waterproof glue or put PTFE sealing tape on the threads.
3. Tighten the connection while keeping the baseplate on the pump side.
Procedure for the assembly of twin ferrule connectors
Connectors used to connect rigid pipe (stainless steel, nickel plated copper, etc.).
1. Insert the pipe with the ferrules until it is affixed tightly to the connector.
2. Lock the fitting in position
Installation
19/60

3. Manually place the nut into contact.
4. Tighten the nut 1/2 turn using an open-ended spanner while holding the body of the connec-
tor still.
5.3.2 Connecting the pump to the water circuit
Water-cooling circuit connection
M version of pump with OBC MT version of pump with OBC M version of pump with lateral OBC
3
2
1
32
1
1
2
3
1. Water outlet connector
2. Water inlet connector (WATER IN)
3. Electronic drive unit (OBC)
For M version pump
1. Provide a water-cooling circuit equipped with a flow meter.
2. Connect the water inlet circuit to WATER IN.
3. Connect the other connector to the pump water-cooling circuit with a flexible tube (supplied with
the pump).
4. Connect the pump to the drainage circuit with a flexible tube.
5. Check that there are no leaks in the pipes and connections of the water circuit.
For an MT version pump
This pump is equipped with a water solenoid valve supplied and controlled by the electronic drive unit.
1. Provide a water-cooling circuit equipped with a flow meter.
2. Connect the water inlet circuit to WATER IN.
3. Connect the other connector to the water solenoid valve and then the solenoid valve to the pump
using a rigid pipe (supplied with the pump).
4. Connect the pump to the drainage circuit with a flexible tube.
5. Note the direction of water flow so as not to disrupt the operation of the solenoid valve.
6. Check that there are no leaks in the pipes and connections of the water circuit.
5.4 Electrical connection
WARNING
Risk of electric shock due to non-compliant electrical installations
This product uses mains voltage for its power supply. Non-compliant electrical installations or installa-
tions not done to professional standards may endanger the user’s life.
►Only qualified technicians trained in the relevant electrical safety and EMC regulations are au-
thorized to work on the electrical installation.
►This product must not be modified or converted arbitrarily.
►Check that the product is properly connected to the equipment’s or pumping installation’s emer-
gency stop circuit.
Installation
20/60